View source: R/cdtClimate_Variables_functions.R
extraterrestrial_radiation_annual | R Documentation |
Compute the extraterrestrial radiation throughout the year for different latitudes.
extraterrestrial_radiation_annual(lat, tstep = "daily")
lat |
numeric, a vector of the latitude of the points where the extraterrestrial radiation will be calculated. |
tstep |
character, the time step of the computed extraterrestrial radiation. Available options: |
Returns a matrix, where the column represent the latitude and the row the time of the year. The number of row for "daily"
is 365, 72 for "pentad"
, 36 for "dekadal"
and 12 "monthly"
.
Allen, R.G., Pereira, L.S., Raes, D., and Smith, M. 1998. Crop evapotranspiration: Guidelines for computing crop requirements. Irrigation and Drainage PaperNo. 56, FAO, Rome, Italy 300 p.
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